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A treatment method for improving the transmittance of solar ultra-clear rolled glass

A treatment method, solar technology, applied in the field of glass, can solve the problem of low transmittance of solar ultra-clear rolled glass, and achieve the effect of increasing transmittance and improving conversion power

Active Publication Date: 2015-11-18
AVIC (HAINAN) SPECIAL GLASS MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The solar ultra-clear rolled glass and its preparation method disclosed in the above patent application are to improve the transmittance of the solar ultra-clear rolled glass by changing the raw material components and the preparation method; the raw materials of the above-mentioned preparation method are strictly controlled, and the process conditions are also strictly controlled. The operation is complicated, but the transmittance of solar ultra-clear rolled glass is still low

Method used

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  • A treatment method for improving the transmittance of solar ultra-clear rolled glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1 gives the transmittance of the glass blank without any treatment.

[0018] In Examples 2 to 6, at a temperature of 700°C, keeping the sulfur fumigation time constant for 5 minutes, the transmittance of the solar ultra-white rolled glass was compared by changing the added sublimation sulfur content.

[0019] In Examples 7 to 11, at a temperature of 700°C, the added sublimation sulfur content was kept at 5 g, and the transmittance of the solar ultra-white rolled glass was compared by changing the sulfur fumigation time.

[0020]

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Abstract

The invention belongs to the technical field of glass, and proposes a treatment method for improving transmittance of solar super-white rolled glass. By adopting the treatment method for improving transmittance of the solar super-white rolled glass provided by the invention, the solar super-white rolled glass is processed by adopting methods of cleaning, drying, high-temperature heating, stoving, cooling, and cleaning and drying again, so that a Na2SO4 layer is formed at the surface of the solar super-white rolled glass. The transmittance of the glass can be increased by the Na2SO4 layer according to the optical principle, the transmittance of the solar super-white rolled glass at the wave band of 380-1100nm is further improved, and the transfer power of a solar cell system is indirectly improved.

Description

technical field [0001] The invention belongs to the technical field of glass, and in particular relates to a treatment method for improving the transmittance of solar ultra-white rolled glass. Background technique [0002] In the solar photovoltaic industry, solar ultra-clear rolled glass is one of the encapsulating glass components of solar cell systems. In order to improve the conversion power of the solar cell system, the solar ultra-clear rolled glass needs to have high transmittance in the 380~1100nm band. At present, the transmittance of solar ultra-clear rolled glass on the market in this band is about 91.3%. [0003] The publication number is CN102219375, the date of publication is October 19, 2011, and the patent entitled "solar ultra-white rolled glass and its preparation method" discloses the oxide mass percentage of solar ultra-white rolled glass, and its composition is as follows: SiO 2 72.0%-75.2%, Al 2 O 3 1.0%-2.4%, R 2 O is 13.2%-15.0%, CaO is 8.5%-10.5...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C23/00
Inventor 姜宏李春华崔永红黄远力邹世锋有学军张振华谭惠夏文宝何威
Owner AVIC (HAINAN) SPECIAL GLASS MATERIALS CO LTD
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